The area, located in the municipalities of Bad Honnef and Königswinter, consists of more than 40 hills. The hills are of ancient volcanic origin and came into being between 28 and 15 million years ago. Much of the territory covered by Sieben Hills belongs to the Sieben Hills Nature Park (Naturpark Siebengebirge), which is under environmental protection.
The highest peak is the Ölberg at 460 metres above sea level. It is a popular tourist destination for hiking, because of its natural environment.
The seven most important hills:
Other hills:
Although some sources translate the name literally as Seven Hills,1 where sieben is modern German for "seven" and a Gebirge is a hill range, alternative derivations for the name have been suggested. Three theories exist:
The Castles of the Rhine by Robert R. Taylor (2009). Retrieved 10 Feb 2015. https://books.google.com/books?id=kdrfAgAAQBAJ&dq=%22Seven+Hills%22+Rhine&pg=PA308 ↩
Moller, 1590 ↩
Karl Schiller; August Lübben (1878), Mittelniederdeutsches Wörterbuch (in German), vol. 4, Bremen: Verlag von J. Küthmanns Buchhandlung, p. 215{{citation}}: CS1 maint: multiple names: authors list (link) Digitalisat /wiki/Template:Citation ↩
See the entry siepen in the Deutsches Wörterbuch. http://www.woerterbuchnetz.de/DWB?lemma=siepen ↩